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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: Psychol Assess. 2013 May 6;25(3):966–978. doi: 10.1037/a0032880

Table 2. Cluster Differences on Impulsivity, Aggression and Cruelty, Externalizing Behavior, and Behavioral Inhibition/Activation.

Primary Secondary Anxious-Conduct Test Statistic η p 2
Impulsivity
Youth APSD (n=85)
4.00 (1.98)a
(n=90)
5.18 (1.97)b
(n=96)
4.65 (1.90)b
F (2, 268) = 7.99*** .056
Parent APSD (n=85)
5.76 (2.17)ab
(n=91)
6.17 (2.65)a
(n=88)
5.21 (2.11)b
F (2, 261) = 3.89* .029
Externalizing
Youth YSR (n = 85)
52.65 (11.02)a
(n = 91)
64.63 (11.28)b
(n = 96)
58.77 (9.01)c
F (2, 272) = 28.89*** .180
Parent CBCL (n = 83)
69.65 (9.07)a
(n = 89)
72.37 (9.35)a
(n = 94)
66.01 (9.86)b
F (2, 266) = 10.45*** .074
Aggression
Youth YSR (n = 83)
0.90 (1.18)a
(n = 88)
2.07 (1.82)b
(n = 93)
0.98 (1.33)a
F (2, 261) = 17.03*** .115
Parent CBCL (n = 82)
2.22 (1.93)a
(n = 86)
2.90 (1.92)b
(n = 92)
1.71 (1.95)a
F (2, 260) = 8.27*** .060
Cruelty
Youth YSR (n = 85)
0.44 (0.63)a
(n = 89)
0.85 (0.70)b
(n = 95)
0.62 (0.62)a
F (2, 266) = 9.08*** .064
Parent CBCL (n = 83)
1.12 (1.05)a
(n = 88)
1.27 (1.07)a
(n = 94)
0.75 (0.97)b
F (2, 262) = 6.36** .046
BIS
Youth (n = 82)
19.32 (5.61)a
(n = 88)
21.74 (4.29)b
(n =95)
21.53 (4.44)b
F (2, 265) = 6.65** .048
Parent (n = 83)
20.40 (4.45)
(n = 86)
21.29 (4.58)
(n = 93)
21.22 (3.86)
F (2, 259) = 1.13 .009
BAS
Youth (n = 79)
32.61 (5.95)a
(n =89)
35.10 (7.00)b
(n = 93)
34.71 (7.00)ab
F (2. 261) = 3.25* .025
Parent (n = 82)
34.07 (6.92)a
(n = 84)
36.99 (7.76)b
(n = 88)
35.16 (6.58)ab
F (2, 251) = 3.59* .028

Note.

***

= p < .001

**

= p < .01

*

= p < .05, two-tailed. Rates with different superscripts differ significantly in pairwise comparisons. APSD = Antisocial Process Screening Device; BIS = Behavior Inhibition Scale; BAS = Behavior Activation Scale; CBCL = Child Behavior Checklist; YSR = Youth Self Report.